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How to separate signals from different directions
The result you see is due to the symmetry of the array. You can think the array as a spatial filter. For a ULA, it can distingui...

más de 9 años hace | 2

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This is concerning the phased.ura documentation and row - Y vs col - Z
I think the figure is correct as it shows 32 rows and 16 columns. When the document says the rows are along y axis, it means the...

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Polarplot in dB.
You need to be careful about dB values as they might be negative. So you need to preprocess it to make it all positive before pl...

más de 9 años hace | 3

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How do I codegen rand() so the seed is set off the clock, or otherwise not the same every time?
There are some relevant discussions here <https://www.mathworks.com/matlabcentral/answers/104306-why-does-my-compiled-rand-fu...

más de 9 años hace | 1

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How to design a Directional BPF?
To achieve spatial component, you need to have the measurement in the spatial direction too. So it's actually filters in two dim...

más de 9 años hace | 0

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is there a function 'helperRadarPulsePlot(rxpulses,threshold,... fast_time_grid,slow_time_grid,num_pulse_plot);' in matlab 2013a
This is a helper function used in the example of Designing a Basic Monostatic Radar. The example ships in R2013a so you should b...

más de 9 años hace | 0

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when i am running the line of sensor motion in matlab i see an error in the command window can anyone solve it
I'm assuming this is a follow up for <http://www.mathworks.com/matlabcentral/answers/313199-how-to-run-phased-platform-in-201...

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the attenuation due to rainfall calculated by function "rainpl" is different from ITU-R.838
The plot you see is in dB scale, that's why it does not look like a linear model, but it is indeed linear. I'm not familiar ...

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About "Designing a Basic Monostatic Pulse Radar"
There is a setting in the channel that you can check to simulate the two way propagation. That's what the example did. In simula...

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Repeat rows in a matrix
B = kron(A(1:22:end,:),ones(22,1))

más de 9 años hace | 0

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how to convert spherical coordinate to cartesian in DoA algorithm?
Not sure what you mean by "too many azimuth and elevation values". According to your settings, you should only get one set of az...

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How to set the distance in DOA algorithm?
Could you elaborate which algorithm you are trying to use? The assumption for DOA algorithms in Phased Array System Toolbox is t...

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How do you incorporate the unique patterns of each antenna in and array into the overall steering vector calculation (using Antenna and Phased Array toolboxes)?
You can use HeterogeneousConformalArray in Phased Array System Toolbox to model arrays with unique patterns for each element. Yo...

más de 9 años hace | 0

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Computing cross-ambiguity using ambgfun
Although |ambgfun| function has been available since v1, the cross ambiguity function capability is added in R2016b. That's why ...

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How to decide on the sweep time of FMCW radar?
The sample rate is determined by the signal bandwidth. If you want to simulate the propagated signal, then for a complex baseban...

más de 9 años hace | 1

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Phased Array System Toolbox
Could you elaborate a bit more what functions you are using? Phased Array System Toolbox has a set of functions that works only ...

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covariance matrix from a random vector?
|cov| should be the function you use, what about it makes you confusing?

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Number of leading zeroes as a variable
y = 6; z = 13; sprintf(['%0' num2str(y) 'g'],z)

más de 9 años hace | 0

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I have a code that has to be run using the communication system toolbox , I've downloaded the toolbox and I think ive installed it , but when i run the code , it doesnt sense any keyword . Please help . Thanks in Advance !
That example also requires Phased Array System Toolbox in case you didn't realize that. HTH

más de 9 años hace | 0

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can anybody tell me the code for time series of backscatterer radar wave?
Part of the following demo shows how to model the radar return with three targets. <https://www.mathworks.com/help/phased/exa...

más de 9 años hace | 1

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Matlab filter into simulink filter
You can consider using realizemdl(d_LPF) and then pass the signal through the generated filter. The doc can be found at ...

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I have found negative value of SNR(in dBc) of an ECG signal by using spectrum analyzer block in simulink.Is it correct?
That is normal. A negative dBc value simply means that the signal is weaker than the carrier. HTH

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Can I get Antenna Toolbox on trial basis?
<https://www.mathworks.com/products/antenna/> There is a product trial link on the right panel beside MATLAB logo. HTH

más de 9 años hace | 1

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Strange results with xcorr
You may want to get the lags from xcorr too so you can plot the correlation over lags. [C,lags] = xcorr(s1,s2); plot(la...

más de 9 años hace | 0

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Out of Memory error!
I'm a bit confused by your code snippet. For example, your input, signal, is never used in the function, so I'm not sure what yo...

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Help required with simulating Ultrasonic Transducers!
Most Phased Array System Toolbox functions today assumes plane wave. So if you are only doing flash mode, then it is applicable....

más de 9 años hace | 0

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Simulating a known signal at an array of antennas
I would suggest you looking at |phased.Collector| to collect signal and |phased.ReceiverPreamp| to add noise. Say you have a sig...

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Difference between steering and angle parameter!
The input 'Ang' specifies the direction at which the signal is transmitted. The input 'Steer' only applies when you have a su...

más de 9 años hace | 1

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coder.extrinsic error! Radar designing
coder.extrinsic should have no effect in regular MATLAB. It only applicable when you try to generate the code. But I'm not sure ...

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Is the size of antenna array correspond to the number on transmit antenna ???
I don't quite get your question. From your description "an antenna array of size 256x64 at transmitter", I'd say 256x64 is the a...

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